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A000800 formatted as a simple table:

n a(n)
1 1
2 1
3 1
4 2
5 5
6 13
7 38
8 125
9 449
10 1742
11 7269
12 32433
13 153850
14 772397
15 4088773
16 22746858
17 132601933
18 807880821
19 5132235182
20 33925263901
21 232905588441
22 1657807491222
23 12215424018837
24 93042845392105
25 731622663432978
26 5931915237693517

[1,1,1,2,5,13,38,125,449,1742,7269,32433,153850,
 772397,4088773,22746858,132601933,807880821,
 5132235182,33925263901,232905588441,1657807491222,
 12215424018837,93042845392105,731622663432978,
 5931915237693517]

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Last modified December 19 21:04 EST 2009. Contains 171054 sequences.


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